RS

Robert L. Spann

📍 Norman, OK: #215 of 626 inventorsTop 35%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,066,632 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8378323 Sterilizing toybox apparatus Alfreda B. Spann 2013-02-19
4287925 Antiskid device — 1981-09-08